/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//  ALTTXT V1.2
//  BY: BRIAN GOSSELIN OF SCRIPTASYLUM.COM
//  ADDED FADING EFFECT FOR IE4+ AND NS6+ ONLY AND OPTIMIZED THE CODE A BIT.
//  SCRIPT FEATURED ON DYNAMIC DRIVE (http://www.dynamicdrive.com) 


var dofade=false;     // ENABLES FADE-IN EFFECT FOR IE4+ AND NS6 ONLY
var center=false;     // CENTERS THE BOX UNER THE MOUSE, OTHERWISE DISPLAYS BOX TO THE RIGHT OF THE MOUSE
var centertext=false; // CENTERS THE TEXT INSIDE THE BOX. YOU CAN'T SIMPLY DO THIS VIA STYLE BECAUSE OF NS4.
                     // OTHERWISE, TEXT IS LEFT-JUSTIFIED. 


////////////////////////////// NO NEED TO EDIT BEYOND THIS POINT //////////////////////////////////////

var NS4 = (navigator.appName.indexOf("Netscape")>=0 && !document.getElementById)? true : false;
var IE4 = (document.all && !document.getElementById)? true : false;
var IE5 = (document.getElementById && document.all)? true : false;
var NS6 = (document.getElementById && navigator.appName.indexOf("Netscape")>=0 )? true: false;
var W3C = (document.getElementById)? true : false;
var w_y, w_x, navtxt, boxheight, boxwidth;
var ishover=false;
var isloaded=false;
var ieop=0;
var op_id=0;
//alert (NS6);
function getwindowdims(){
  w_y=(NS4||NS6)? window.innerHeight : (IE5||IE4)? document.body.clientHeight : 0;
  w_x=(NS4||NS6)? window.innerWidth : (IE5||IE4)? document.body.clientWidth : 0;
}

function getboxwidth(){
  if(NS4)boxwidth=(navtxt.document.width)? navtxt.document.width : navtxt.clip.width;
  if(IE5||IE4)boxwidth=(navtxt.style.pixelWidth)? navtxt.style.pixelWidth : navtxt.offsetWidth;
  if(NS6)boxwidth=(navtxt.style.width)? parseInt(navtxt.style.width) : parseInt(navtxt.offsetWidth);
}

function getboxheight(){
  if(NS4)boxheight=(navtxt.document.height)? navtxt.document.height : navtxt.clip.height;
  if(IE4||IE5)boxheight=(navtxt.style.pixelHeight)? navtxt.style.pixelHeight : navtxt.offsetHeight;
  if(NS6)boxheight=parseInt(navtxt.offsetHeight);
}

function movenavtxt(x,y){
  //y=y-20;
  if(NS4)navtxt.moveTo(x,y);
  if(W3C||IE4){
    navtxt.style.left=x+'px';
    navtxt.style.top=y+'px';
  }
}

function getpagescrolly(){
//  alert ('getpagescrolly: '+document.body.scrollTop);
  if(NS4||NS6)return window.pageYOffset;
  if(IE5||IE4)return document.body.scrollTop;
}

function getpagescrollx(){
  if(NS4||NS6)return window.pageXOffset;
  if(IE5||IE4)return document.body.scrollLeft;
}

function writeindiv(text){
  if(NS4){
    navtxt.document.open();
    navtxt.document.write(text);
    navtxt.document.close();
  }
  if(W3C||IE4)navtxt.innerHTML=text;
}

//**** END UTILITY FUNCTIONS ****//
function incropacity(){
  if(ieop<=100){
    ieop+=7;
    if(IE4 || IE5)navtxt.style.filter="alpha(opacity="+ieop+")";
    if(NS6)navtxt.style.MozOpacity=ieop/100;
    op_id=setTimeout('incropacity()', 50);
  }
}


function moveobj(evt){
//  alert ('hallo')
  if(isloaded && ishover){
    margin=(IE4||IE5)? 1 : 23;
    if(NS6)if(document.height+27-window.innerHeight<0)margin=15;
    if(NS4)if(document.height-window.innerHeight<0)margin=10;
//    mx=(NS4||NS6)? evt.pageX : (IE5||IE4)? event.clientX : 0;
//    my=(NS4||NS6)? evt.pageY : (IE5||IE4)? event.clientY : 0;
    if (NS4){
      mx=evt.pageX
      my=evt.pageY
    } else if (NS6){
      mx=evt.clientX
      my=evt.clientY
    } else if (IE5){
      mx=event.clientX
      my=event.clientY
    } else if (IE4){
      mx=0
      my=0
    }
    if(NS4){
      mx-=getpagescrollx();
      my-=getpagescrolly();
    }
//    alert (evt)
    xoff=(center)? mx-boxwidth/2 : mx+5;
/*    alert('my: '+my);
    alert('w_y: '+w_y);
    alert('boxheight: '+boxheight);*/
    yoff=(my+boxheight+30>= w_y)? -15-boxheight: 30;
//    yoff=(my+boxheight+30-getpagescrolly()+margin>=w_y)? -15-boxheight: 30;
    movenavtxt( Math.min(w_x-boxwidth-margin , Math.max(2,xoff))+getpagescrollx() , my+yoff+getpagescrolly());
    if(NS4)navtxt.visibility="show";
    if(W3C||IE4)navtxt.style.visibility="visible";
  }
}

function writetxt(text,title){
  //alert(text);
  //style controls added by Tomasz Kepski
  border = 1;
  title_bgcolor="#055DA7";
  text_bgcolor="#FFFFFF";
  title_style="font: bold 10px Tahoma, Verdana, Arial, Helvetica, sans-serif; color: #FFFFFF; padding:5px 5px 5px 5px";
  text_style="font: 11px Tahoma, Verdana, Arial, Helvetica, sans-serif; padding:5px 5px 5px 5px";

  if(isloaded){
    if(text!=0){
      ishover=true;
      //text in table with title added by Tomasz Kepski
      text = "<table WIDTH=100% BORDER=0 CELLPADDING=0 CELLSPACING=0><tr><td bgcolor=\""+title_bgcolor+"\" style=\""+title_style+"\">"+title+"</td></tr>"+
             "<tr><td bgcolor=\""+text_bgcolor+"\" style=\""+text_style+"\">"+text+"</td></tr></table>";
      if(NS4)text='<div class="navtext">'+((centertext)?'<center>':'')+text+((centertext)?'</center>':'')+'</div>';
      writeindiv(text);
      getboxheight();
      if((W3C || IE4) && dofade){
        ieop=0;
        incropacity();
      }
    } else {
      if(NS4)navtxt.visibility="hide";
      if(IE4||W3C){
       if(dofade)clearTimeout(op_id);
        navtxt.style.visibility="hidden";
      }
      writeindiv('');
      ishover=false;
    }
  }
  moveobj();
}


if(NS4||NS6)document.captureEvents(Event.MOUSEMOVE);
//document.onmousemove=moveobj;

/* it was moved to the bottom of the page*/
/*window.onload=function(){
  navtxt=(NS4)? document.layers['navtxt'] : (IE4)? document.all['navtxt'] : (W3C)? document.getElementById('navtxt') : null;
  getboxwidth();
  getboxheight();
  getwindowdims();
  isloaded=true;
  if((W3C || IE4) && centertext)navtxt.style.textAlign="center";
  if(W3C)navtxt.style.padding='0px';
  if(IE4 || IE5 && dofade)navtxt.style.filter="alpha(opacity=0)";
}
*/
window.onresize=getwindowdims;